Dolby Vision Sony A1 picture going dark

[Tortoiseken]

I have a Sony a 155 inch Oled tv since the update my television has been unwatchable because the picture is so dark when Streaming or a dvd that has Dolby Vision makes my TV screen go dark it’s terrible it also happens with my Apple TV and my DVD player which is a Sony X 800 lots of people have got this problem and certainly don’t seem to be doing anything about it I want if it’s possible to join some sort of group to contact Sony and see

[HannahEd01]

Hey there, you can contact Sony using the details here: https://services.sony.co.uk/supportmvc/en/contact?pdp=wh-1000xm4&cat=headphones-wireless-headphones&...

If you want us to help we can, I need more details other than that the picture is dark, what about brightness settings for example? If you can add more details maybe I can help. 

[Tortoiseken]

Hi despite having an update recently, my picture on my Sony, oled is still dark When watching Dolby Vision, Please Sony can you help me tried everything disappointed Sony owner

[Tortoiseken]

Is there anybody else who have got this problem? Regarding Dolby Vision data picture please reply

[Tortoiseken]

Is there anybody else who have got this problem? With regards to Dolby Vision dark picture? Thank you Ken

[rooobb]

As far as I remember on that TV in Dolby vision you may only play with black level (I am not sure either of the original English wording for it) a little to brighten the image (I don't remember if going up or down 1 or 2 points from the standard 50 value)